Multiplying by 10 is simply sliding the decimal one place to the right.
5.2 * 10 = 52
Use mental floss to prevent decay of your morals. ■
You can, if you wish.
70
Multiply 3 times 25 mentally (the answer is 75), and then adding three zeroes will give the total of 75,000.
use mental math
3 x 1 = 3 3 x 2 = 6 3 x 122 = 366
1800
You would multiply 12x5, and then just add a zero. The answer is 600.
Mental math! aka in ur head
The answer depends on the equation. Very few people, if any, can use mental maths to find the value of n in logpi/7(3e) = 95.3. I would not even try!
optometrist use math 36 topics like subtracting adding mental math triangles and much more!
yes
use math to find the answer